title: Regulation at multiple levels: themes and variations.
authors.forename: Tina M
authors.initials: TM
authors.lastname: Henkin
authors.forename: Josep
authors.initials: J
authors.lastname: Casadesús
mesh_terms: D018407:Bacterial Physiological Phenomena; D015964:Gene Expression Regulation, Bacterial; D015398:Signal Transduction; D013312:Stress, Physiological